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What is the difference between a herpes simplex virus (hsv) IgG and IgM test?

1 doctor weighed in
Dr. Joel Gallant
Internal Medicine - Infectious Disease

In brief: Acute vs. chronic

Igm antibodies appear after recent infection and then disappear. Igg antibodies come later and persist, indicating chronic or past infection.
In the case of herpes, the IgM is not widely used, because acute herpes is typically diagnosed based on clinical appearance or culture results. A positive igg indicates the presence of herpes, which is a chronic recurring infection.

In brief: Acute vs. chronic

Igm antibodies appear after recent infection and then disappear. Igg antibodies come later and persist, indicating chronic or past infection.
In the case of herpes, the IgM is not widely used, because acute herpes is typically diagnosed based on clinical appearance or culture results. A positive igg indicates the presence of herpes, which is a chronic recurring infection.
Dr. Joel Gallant
Dr. Joel Gallant
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